28098552253 has 2 divisors, whose sum is σ = 28098552254. Its totient is φ = 28098552252.

The previous prime is 28098552199. The next prime is 28098552269. The reversal of 28098552253 is 35225589082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27555336004 + 543216249 = 165998^2 + 23307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28098552253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28098552197 and 28098552206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28098556253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14049276126 + 14049276127.

It is an arithmetic number, because the mean of its divisors is an integer number (14049276127).

Almost surely, 2^28098552253 is an apocalyptic number.

It is an amenable number.

28098552253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28098552253 is an equidigital number, since it uses as much as digits as its factorization.

28098552253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 28098552253 in words is "twenty-eight billion, ninety-eight million, five hundred fifty-two thousand, two hundred fifty-three".